Portion of footwear upper



FIG. 1 is a perspective view of the portion of footwear upper embodying the new design;

FIG. 2 is a bottom elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a rear elevational view thereof.

FIGS. 1-6 show portions of an upper and sole in broken lines. The broken lines are for environmental purposes only and form no part of the claimed design. 

The ornamental design for portion of footwear upper, as shown and described. 